我如何解决“Networkerror 500内部服务器错误 - Http // Localhost” [英] How Do I Solve "Networkerror 500 Internal Server Error - Http //Localhost"

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问题描述

 <   script    类型  =  text / javascript     language   =  javascript >  
$( document ).ready( function (){
$ .ajax({
type: POST
contentType: application / json; charset = utf-8
url: QuotaMaster .aspx / BindDatatoDropdown
数据: {}
D ataType: json
成功:函数(数据){
$ .each(data.d, function (key,value){
$(' #<%= ddlmode.ClientID%>')。append($( < option>< / option>)。val(value.mode_id).html(value.planmode)) ;
});
},
错误: function (结果){
alert(result);
}
});
});

< / script >





QuotaMaster.aspx



 [WebMethod] 
protected static BindModeDetails [] BindDatatoDropdown()
{
try
{
DataTable dt = < span class =code-keyword> new DataTable();
List< BindModeDetails> bindMode = new List< BindModeDetails>();
使用(SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings [ constring]。ConnectionString))
{
using (SqlCommand cmd = new SqlCommand( select mode_id,planmode from tbl_planmode,con))
{
if (con.State == ConnectionState.Closed)
{
con.Open();
}
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(dt);

foreach (DataRow drRow in dt.Rows)
{
BindModeDetails mode = new BindModeDetails();
mode.mode_id = int .Parse(drRow [ mode_id]的ToString());
mode.Planmode = drRow [ planmode]。ToString();
bindMode.Add(mode);
}

if (con.State == ConnectionState.Open)
{
con.Close ();
}
}
}
return bindMode.ToArray();
}
catch (例外情况)
{
throw ex;
}
}

public class BindModeDetails
{
public int mode_id
{
获得;
set ;
}
public string Planmode
{
< span class =code-keyword> get
;
set ;
}
}







im getting









如何解决?

解决方案

document )。ready( function (){


.ajax({
type: POST
contentType: application / json; charset = utf-8
url: QuotaMaster.aspx / BindDatatoDropdown
data: {}
dataType: json
成功: function (data){


.each( data.d, function (key,value){

<script type="text/javascript" language="javascript">
   $(document).ready(function() {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "QuotaMaster.aspx/BindDatatoDropdown",
data: "{}",
dataType: "json",
success: function(data) {
$.each(data.d, function(key, value) {
$('#<%=ddlmode.ClientID%>').append($("<option></option>").val(value.mode_id).html(value.planmode));
});
},
error: function(result) {
alert(result);
}
});
});
    
    </script>



QuotaMaster.aspx

[WebMethod]
protected static BindModeDetails[] BindDatatoDropdown()
{
   try
   {
      DataTable dt = new DataTable();
      List<BindModeDetails> bindMode = new List<BindModeDetails>();
      using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constring"].ConnectionString))
      {
         using (SqlCommand cmd = new SqlCommand("select mode_id ,planmode From tbl_planmode",con))
         {
            if (con.State == ConnectionState.Closed)
            {
               con.Open();
            }
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            da.Fill(dt);

            foreach (DataRow drRow in dt.Rows)
            {
               BindModeDetails mode = new BindModeDetails();
               mode.mode_id = int.Parse(drRow["mode_id"].ToString());
               mode.Planmode = drRow["planmode"].ToString();
               bindMode.Add(mode);
            }

            if (con.State == ConnectionState.Open)
            {
               con.Close();
            }
         }
      }
      return bindMode.ToArray();
   }
   catch (Exception ex)
   {
      throw ex;
   }
}

public class BindModeDetails
{
   public int mode_id
   {
      get;
      set;
   }
   public string Planmode
   {
      get;
      set;
   }
}




im getting




How do i solve it

解决方案

(document).ready(function() {


.ajax({ type: "POST", contentType: "application/json; charset=utf-8", url: "QuotaMaster.aspx/BindDatatoDropdown", data: "{}", dataType: "json", success: function(data) {


.each(data.d, function(key, value) {


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